Global Patent Index - EP 2634895 A3

EP 2634895 A3 20161207 - Wet rotor pump motor stator sealing liner

Title (en)

Wet rotor pump motor stator sealing liner

Title (de)

Nassrotorpumpen-Motorstator-Abdichtummantelung

Title (fr)

Garniture d'étanchéité de stator de moteur de pompe à rotor humide

Publication

EP 2634895 A3 20161207 (EN)

Application

EP 13157341 A 20130228

Priority

US 201213406898 A 20120228

Abstract (en)

[origin: EP2634895A2] A sealing liner (34) for use in a pump motor (24) incorporates a radially enlarged portion (36) at one end, and a radially smaller portion (38, 40) extending from the one end to an opposed end. A length (L 1 ) of the overall sealing liner including the radially smaller portion and the radially enlarged portion is defined as a first length. A length (L 2 ) of said radially enlarged portion is defined as a second length. A ratio of the first length to the second length is between about 6.5 and about 8.5. A stator assembly, a pump and a method are also disclosed.

IPC 8 full level

H02K 5/128 (2006.01)

CPC (source: EP US)

H02K 5/128 (2013.01 - EP US); H02K 2213/03 (2013.01 - EP US); Y10T 29/49719 (2015.01 - EP US)

Citation (search report)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

EP 2634895 A2 20130904; EP 2634895 A3 20161207; EP 2634895 B1 20190724; CN 103296835 A 20130911; US 2013224048 A1 20130829; US 8920142 B2 20141230

DOCDB simple family (application)

EP 13157341 A 20130228; CN 201310063557 A 20130228; US 201213406898 A 20120228